/*
 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
 */
/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.sun.org.apache.xerces.internal.dom;


/**
 * Internal class LCount is used to track the number of
 * listeners registered for a given event name, as an entry
 * in a global Map. This should allow us to avoid generating,
 * or discarding, events for which no listeners are registered.
 * <p>
 * **** There should undoubtedly be methods here to manipulate
 * this table. At the moment that code's residing in NodeImpl.
 * Move it when we have a chance to do so. Sorry; we were
 * rushed.
 */

/**
 * @xerces.internal
 */

class LCount {
    static final java.util.Map<String, LCount> lCounts = new java.util.concurrent.ConcurrentHashMap<>();
    public int captures = 0, bubbles = 0, defaults, total = 0;

    static LCount lookup(String evtName) {
        LCount lc = (LCount) lCounts.get(evtName);
        if (lc == null)
            lCounts.put(evtName, (lc = new LCount()));
        return lc;
    }
} // class LCount
